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13. This exercise is about the simultaneous equations4y - 8x = 4y = 2x + 1Follow the instruction given in exercise 12 and answer the

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13. This exercise is about the simultaneous equations4y - 8x = 4y = 2x + 1Follow the instruction given in exercise 12 and answer the questions asked in parts b and c.a) Try to solve the equations by the substitution method.b) What can you conclude from the result?c) What would a graph of these equations consist of?

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